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Indianapolis in January: Weather, Average temperature and Climate

Take a look at past year’s weather for Indianapolis in January and see if it is worth visiting.
Check flight prices to Indianapolis on Avionero:
January

Weather in Indianapolis in January 2025

OK Weather
Chill
☁️
Cloudy
Indianapolis in January usually sees fair weather conditions, with an average daily high temperature of +36°F and roughly 3 sunny days. However, you should prepare for about 8 snowy days with an average precipitation of 45 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Indianapolis;

Average weather

☀️
+36°F
Avg. max. temperature
-24°F
Min.
+66°F
Max.
45 mm
Total precipitation
76%
Avg. humidity
4 m/s
Avg. wind
3 ☀️
Sunny Days
15 ⛅️
Cloudy
5 🌦
Rainy
Our opinion: Indianapolis has OK weather in January.

Average temperature in Indianapolis in January

Here are the expected maximum, average and minimum temperatures in Indianapolis for January based on the historical data.
Last Year
Historical Data

The temperature in January is +43°F on average, with a range between a maximum of +63°F during the day and a minimum of +12°F at night.

The average maximum temperature goes down 54% by the end of the month, compared with the beginning of the month, from +52°F to +25°F.

Is Indianapolis warm or cold in January?

Indianapolis is typically chill in January.

Maximum temperatures go down compared to the previous month from +41°F to +36°F. The minimum temperature also goes down from +28°F to +23°F.

Pack a jumper and a jacket as there will be cooler temperatures.

January is the coldest month in Indianapolis, here is the comparison with other months:

Climate in Indianapolis in January

Indianapolis weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+41°F+36°F+41°F
Min. temperature
-18°F-24°F-11°F
Max. temperature
+70°F+66°F+77°F
Rainfall
60 mm45 mm46 mm
Wind
3 m/s4 m/s4 m/s
Humidity
78%76%74%
Air pressure
1019 HPa1019 HPa1019 HPa
Sunny days
333
Cloudy days
141513
Rainy days
855
Snowy days
687

January weather is still as ok as in December. It’s getting colder in January. From +41°F in the day, the average maximum temperature lowers to +36°F. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 60 mm to 45 mm. It feels drier, as humidity decreases from 78% to 76%. Winds are stronger in comparison to December, going up from 3 m/s to 4 m/s on average. The amount of sunny days stay about the same, averaging 3 sunny days during the month.

February brings much the same weather, it remains ok.

Wind

Wind speed in Indianapolis in January based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Indianapolis is gradually increasing during January, going from 3 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Indianapolis based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in January stands at 29%, leading to total precipitation of around 96 mm. The maximum amount of rainfall per day is around 35 mm, which is moderate rain. On average, there are about 9 rainy days during January, so prepare to bring an umbrella.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Indianapolis wettest month is May, where a typical day has a 52% chance of precipitation and 115 mm of rainfall per day. January, on the other hand, is the driest month with a mere 16% chance of precipitation and 45 mm of rainfall per day.

Snow

Amount of snow in mm during January in Indianapolis based on historical data.
Last Year
Historical Data
The chance of snow on a typical day in January is 3%, for a monthly total of around 21 mm.

January is one of the snowiest months in Indianapolis.

Here’s how January is compared with other months in the amount of snow, total mm:

How was the weather last January in Indianapolis?

This is the weather in Indianapolis in January 2023:
1 January
🌫️
+52°F
2 January
🌫️
+56°F
3 January
🌫️
+63°F
4 January
☁️
+60°F
5 January
☁️
+40°F
6 January
☁️
+38°F
7 January
☀️
+39°F
8 January
☁️
+39°F
9 January
☁️
+43°F
10 January
☁️
+52°F
11 January
☁️
+49°F
12 January
🌫️
+49°F
13 January
☁️
+38°F
14 January
☁️
+32°F
15 January
☁️
+42°F
16 January
☁️
+42°F
17 January
☀️
+53°F
18 January
☁️
+41°F
19 January
☁️
+54°F
20 January
☁️
+39°F
21 January
☁️
+33°F
22 January
🌫️
+34°F
23 January
🌫️
+34°F
24 January
☁️
+44°F
25 January
🌫️
+40°F
26 January
🌨️
+34°F
27 January
☁️
+40°F
28 January
☁️
+52°F
29 January
🌫️
+47°F
30 January
☁️
+34°F
31 January
☁️
+25°F
In January 2023 Indianapolis had 2 sunny days, 20 cloudy days, and 0 rainy days. The average maximum temperature was +43°F, with an absolute maximum of +63°F and a minimum of +25°F. The average humidity was 81%, with a maximum of 99% and a minimum of 48%. The average wind speed was 4 m/s, with a maximum of 14 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change Over the Years

This is how Indianapolis climate has changed over the last 43 years.

The climate in Indianapolis in January has not changed that much over the last 43 years.

The average temperature was the lowest in 1979 (+59°F) and the highest in 2012 (+67°F). The driest year was 1999 with only 656 mm of rainfall, and the wettest year was 2019 with 1833 mm.

FAQ

Frequently asked questions about the weather in Indianapolis in January:

Is January a good time to visit Indianapolis?

It’s always a good time to visit Indianapolis, but the weather is changeable in January, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Indianapolis in January?

Not really, January is not the best time to sunbathe, unless you visit a local solarium.

Is Indianapolis rainy in January?

Indianapolis is usually dry in January. Plan your packing around outdoor activities and exploring.

Is it sunny in Indianapolis in January?

Usually, it’s not very sunny in Indianapolis in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Indianapolis

Source of the data

For this page, we’ve looked at the typical weather in Indianapolis, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.